Real Madrid great stars before Ronaldo has played El Classico and it has been a competition between these two clubs since. But what made Ronaldo and Messi period more interesting is that the two are both superstars at the same time and they are rivals to one another in clubs that are also rivals too. So it made it more interesting, and another thing is that, these two players have their own separate fans that prefer one to the other. These two players were also adding a lot of effort to make sure that their club is the best, and competition between themselves.
That is how great time can be if you have the right men on the teams, what make football more interesting is the fact that the presence of strong contending team, and that is why the extra time and the penalties are there to use to settle such incidence of two strong opponent, when Reall Madrid hard the right players on board in the last couple of seasons back, their games where up to touch and always strongly contending with a lot of winnings even though sometimes, there are few records of loses also which is what football is all about.
El Classico is also a strong team who have done well previously and has also been able to set up a formidable team when they had the best hand on the ground a few seasons back, both clubs have similar histories but let's see how their features will be.